CN103501005A - Transformer induction filtering and reactive compensation integration device suitable for wind power - Google Patents
Transformer induction filtering and reactive compensation integration device suitable for wind power Download PDFInfo
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- CN103501005A CN103501005A CN201310457738.6A CN201310457738A CN103501005A CN 103501005 A CN103501005 A CN 103501005A CN 201310457738 A CN201310457738 A CN 201310457738A CN 103501005 A CN103501005 A CN 103501005A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The invention discloses a transformer induction filtering and reactive compensation integration device suitable for wind power. The transformer induction filtering and reactive compensation integration device suitable for the wind power comprises a grid-connected transformer adopting a three-winding structure, wherein the grid-connected transformer comprises a primary side high-voltage winding, a secondary side medium-voltage winding and a secondary side low-voltage filtering winding; the primary side high-voltage winding of the grid-connected transformer is connected with an alternating current power grid; the secondary side medium-voltage winding is connected with a wind power plant; the secondary side low-voltage filtering winding is respectively connected with an induction filtering tuning branch and a static var generator (SVG). According to the transformer induction filtering and reactive compensation integration device suitable for the wind power, which is disclosed by the invention, the main wind power harmonic wave is effectively shielded and is subjected to quick reactive compensation by the cooperation of the grid-connected transformer, the induction filtering tuning branch and the SVG, and influence on an accessed power grid by wind power grid connection is lowered. Meanwhile, harmonic wave flux in an iron core can be greatly lowered, and the vibration and noise problem of the transformer can be effectively solved. Meanwhile, the iron core loss and the additional loss can be lowered, and the iron core is prevented from being overheated.
Description
Technical field
The present invention relates to wind power generation field, particularly a kind of transformer induction filtering and reactive power compensation integrating device that is applicable to wind-powered electricity generation.
Background technology
Wind energy is a kind of regenerative resource of inexhaustible cleanliness without any pollution again.Country attaches great importance to renewable energy power generation on policy, and along with the fast development of wind generating technology, China's wind power generation construction has entered fast-developing period.The capacity of wind energy turbine set is increasing, its impact on system is also more and more obvious, the harmonic pollution problem produced is the power quality problem that electric power system is comparatively paid close attention to, when simultaneously, the wind-powered electricity generation unit is due to the randomness of wind energy, operation to idle demand and idle can only in-situ balancing etc. reason will affect to line voltage.
Make a general survey of current harmonic suppressing method, mainly comprise passive filtering, active power filtering and current industrial power supply system multiple rectifying method commonly used, and these methods also exist not enough point and limitation, in the time of can not solving harmonic pollution and operation to the problem of reactive requirement.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the transformer induction filtering that is applicable to wind-powered electricity generation and reactive power compensation integrating device that a kind of harmonic filtration rate is high.
The technical scheme that the present invention addresses the above problem is: a kind of transformer induction filtering and reactive power compensation integrating device that is applicable to wind-powered electricity generation, comprise the grid-connected transformer that adopts three winding constructions, described grid-connected transformer comprises in primary side high pressure winding, secondary side presses winding and secondary side low-voltage filter winding, the primary side high pressure winding of grid-connected transformer is connected with AC network, in secondary side, press winding to be connected with wind energy turbine set, secondary side low-voltage filter winding is connected with induction filter tuning branch road, static reacance generator SVG respectively.
The primary side high pressure winding of described grid-connected transformer adopts star-star connection.
In the secondary side of described grid-connected transformer, press winding to adopt delta connection.
The secondary side low-voltage filter winding of described grid-connected transformer adopts delta connection.
Beneficial effect of the present invention is: the present invention is the cooperation with induction filter tuning branch road, static reacance generator SVG by grid-connected transformer, effective shielding and the Quick reactive-load compensation of realization to the main harmonic wave of wind-powered electricity generation, reduce the impact of wind-electricity integration on the access electrical network, also can greatly reduce the harmonic flux in iron core simultaneously, efficiently solve vibration and the noise problem of transformer, also reduced core loss and supplementary load loss, avoid iron core overheated simultaneously.
The accompanying drawing explanation
Fig. 1 is electrical block diagram of the present invention.
In figure: 1, wind energy turbine set, 2, grid-connected transformer, 3, induction filter tuning branch road, 4, static reacance generator SVG, 5, AC network.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, the present invention includes the grid-connected transformer 2 that adopts three winding constructions, induction filter tuning branch road 3, static reacance generator SVG4, described grid-connected transformer 2 comprises primary side high pressure winding, press winding and secondary side low-voltage filter winding in secondary side, the primary side high pressure winding of grid-connected transformer 2 adopts star-star connection, in secondary side, press winding and secondary side low-voltage filter winding to adopt delta connection, the primary side high pressure winding of grid-connected transformer 2 is connected with AC network 5, in secondary side, press winding to be connected with wind energy turbine set 1, secondary side low-voltage filter winding respectively with induction filter tuning branch road 3, static reacance generator SVG4 is connected.
The secondary side low-voltage filter winding of grid-connected transformer 2 is connected with induction filter tuning branch road 3, form the harmonic wave short-circuited conducting sleeve that approaches zero impedance, be directed to the characteristics of the harmonic wave of wind-powered electricity generation, single tuning filter branch and the high-pass filtering branch road of the harmonics such as induction filter tuning branch road 3 operated by rotary motion 5,7,11,13.The induction filter that grid-connected transformer 2 and induction filter tuning branch road 3 form not only can the filtering wind energy turbine set produce harmonic wave, also can shield the harmonic wave from electrical network, has the function of bidirectional filtering simultaneously.
The present invention is the cooperation with induction filter tuning branch road, static reacance generator SVG by grid-connected transformer, effective shielding and the Quick reactive-load compensation of realization to the main harmonic wave of wind-powered electricity generation, reduce the impact of wind-electricity integration on the access electrical network, also can greatly reduce the harmonic flux in iron core simultaneously, efficiently solve vibration and the noise problem of transformer, also reduced core loss and supplementary load loss, avoid iron core overheated simultaneously.
Claims (4)
1. transformer induction filtering and a reactive power compensation integrating device that is applicable to wind-powered electricity generation, it is characterized in that: comprise the grid-connected transformer that adopts three winding constructions, described grid-connected transformer comprises in primary side high pressure winding, secondary side presses winding and secondary side low-voltage filter winding, the primary side high pressure winding of grid-connected transformer is connected with AC network, in secondary side, press winding to be connected with wind energy turbine set, secondary side low-voltage filter winding is connected with induction filter tuning branch road, static reacance generator SVG respectively.
2. transformer induction filtering and the reactive power compensation integrating device that is applicable to wind-powered electricity generation as claimed in claim 1, is characterized in that: the primary side high pressure winding employing star-star connection of described grid-connected transformer.
3. transformer induction filtering and the reactive power compensation integrating device that is applicable to wind-powered electricity generation as claimed in claim 1, is characterized in that: in the secondary side of described grid-connected transformer, press winding to adopt delta connection.
4. transformer induction filtering and the reactive power compensation integrating device that is applicable to wind-powered electricity generation as claimed in claim 1, is characterized in that: the secondary side low-voltage filter winding employing delta connection of described grid-connected transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310457738.6A CN103501005A (en) | 2013-09-30 | 2013-09-30 | Transformer induction filtering and reactive compensation integration device suitable for wind power |
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| CN201310457738.6A CN103501005A (en) | 2013-09-30 | 2013-09-30 | Transformer induction filtering and reactive compensation integration device suitable for wind power |
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| CN103501005A true CN103501005A (en) | 2014-01-08 |
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| CN201310457738.6A Pending CN103501005A (en) | 2013-09-30 | 2013-09-30 | Transformer induction filtering and reactive compensation integration device suitable for wind power |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701847A (en) * | 2015-04-03 | 2015-06-10 | 国家电网公司 | Parameter calculating method for induction filtering branch circuit of wind power plant access system |
| CN104868485A (en) * | 2015-06-03 | 2015-08-26 | 中国能源建设集团甘肃省电力设计院有限公司 | New energy power station dynamic reactive power compensation equipment application method and device |
| CN109274102A (en) * | 2018-10-29 | 2019-01-25 | 上海电力学院 | A kind of electric power terminal electric energy optimization device |
| CN116845894A (en) * | 2023-08-30 | 2023-10-03 | 国网智能电网研究院有限公司 | High-pass filter |
| CN117318549A (en) * | 2023-11-28 | 2023-12-29 | 江西第二电力设备有限公司 | Distribution parameter adjusting method of transformer and three-phase distribution transformer |
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| JP2000132252A (en) * | 1998-10-22 | 2000-05-12 | Matsushita Electric Ind Co Ltd | Reactive power compensator |
| CN101557116A (en) * | 2009-02-26 | 2009-10-14 | 湖南大学 | Environment-friendly and energy-saving DC power station |
| CN202333817U (en) * | 2011-11-18 | 2012-07-11 | 长沙有色冶金设计研究院有限公司 | Energy saving and electric energy quality control system of Kivcet furnace |
| CN202602285U (en) * | 2012-05-04 | 2012-12-12 | 甘肃省电力设计院 | New energy electric field boosting transformer system |
| CN202816588U (en) * | 2012-09-17 | 2013-03-20 | 湖南华大电工高科技有限公司 | Filtering type power-transformer integration system |
| CN203553941U (en) * | 2013-09-30 | 2014-04-16 | 国网湖南省电力公司 | Transformer induction filtering and reactive compensation integration device suitable for wind electricity |
-
2013
- 2013-09-30 CN CN201310457738.6A patent/CN103501005A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000132252A (en) * | 1998-10-22 | 2000-05-12 | Matsushita Electric Ind Co Ltd | Reactive power compensator |
| CN101557116A (en) * | 2009-02-26 | 2009-10-14 | 湖南大学 | Environment-friendly and energy-saving DC power station |
| CN202333817U (en) * | 2011-11-18 | 2012-07-11 | 长沙有色冶金设计研究院有限公司 | Energy saving and electric energy quality control system of Kivcet furnace |
| CN202602285U (en) * | 2012-05-04 | 2012-12-12 | 甘肃省电力设计院 | New energy electric field boosting transformer system |
| CN202816588U (en) * | 2012-09-17 | 2013-03-20 | 湖南华大电工高科技有限公司 | Filtering type power-transformer integration system |
| CN203553941U (en) * | 2013-09-30 | 2014-04-16 | 国网湖南省电力公司 | Transformer induction filtering and reactive compensation integration device suitable for wind electricity |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701847A (en) * | 2015-04-03 | 2015-06-10 | 国家电网公司 | Parameter calculating method for induction filtering branch circuit of wind power plant access system |
| CN104701847B (en) * | 2015-04-03 | 2016-11-09 | 国家电网公司 | Wind energy turbine set access system senses filter branch calculation method of parameters |
| CN104868485A (en) * | 2015-06-03 | 2015-08-26 | 中国能源建设集团甘肃省电力设计院有限公司 | New energy power station dynamic reactive power compensation equipment application method and device |
| CN109274102A (en) * | 2018-10-29 | 2019-01-25 | 上海电力学院 | A kind of electric power terminal electric energy optimization device |
| CN116845894A (en) * | 2023-08-30 | 2023-10-03 | 国网智能电网研究院有限公司 | High-pass filter |
| CN117318549A (en) * | 2023-11-28 | 2023-12-29 | 江西第二电力设备有限公司 | Distribution parameter adjusting method of transformer and three-phase distribution transformer |
| CN117318549B (en) * | 2023-11-28 | 2024-01-26 | 江西第二电力设备有限公司 | Distribution parameter adjusting method of transformer and three-phase distribution transformer |
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Application publication date: 20140108 |